Along with her curatorial responsibilities at AGO, Maia was also Head of Collections until 2000. In 1979 she began to develop the AGO's photographic collection and played a pivotal role in its programming. She has curated numerous photography exhibitions at the AGO and has contributed to many publications. Recent AGO organized exhibitions include "Michel Lambeth”, “Pop Photographica", "Larry Fink" and "Douglas Clark: Sweet Immortality" (co-curated with Michael Mitchell). Through her efforts the AGO has hosted many exhibitions, including the work of Robert Frank, William Wegman, Man Ray, Eugene Atget, and Edward Burtynsky.